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engines/mtropolis/saveload.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef MTROPOLIS_SAVELOAD_H
+#define MTROPOLIS_SAVELOAD_H
+
+#include "mtropolis/core.h"
+
+namespace Common {
+
+class ReadStream;
+class WriteStream;
+
+} // End of namespace Common
+
+namespace Graphics {
+
+struct Surface;
+
+} // End of namespace Graphics
+
+namespace MTropolis {
+
+class Modifier;
+class Runtime;
+class RuntimeObject;
+
+struct ISaveWriter : public IInterfaceBase {
+	virtual bool writeSave(Common::WriteStream *stream) = 0;
+};
+
+struct ISaveReader : public IInterfaceBase {
+	virtual bool readSave(Common::ReadStream *stream, uint32 saveFileVersion) = 0;
+};
+
+struct ISaveUIProvider : public IInterfaceBase {
+	virtual bool promptSave(ISaveWriter *writer, const Graphics::Surface *screenshotOverride) = 0;
+	virtual bool namedSave(ISaveWriter *writer, const Graphics::Surface *screenshotOverride, const Common::String &fileName) = 0;
+};
+
+struct ILoadUIProvider : public IInterfaceBase {
+	virtual bool promptLoad(ISaveReader *reader) = 0;
+	virtual bool namedLoad(ISaveReader *reader, const Common::String &fileName) = 0;
+};
+
+struct IAutoSaveProvider : public IInterfaceBase {
+	virtual bool autoSave(ISaveWriter *writer) = 0;
+};
+
+class CompoundVarSaver : public ISaveWriter {
+public:
+	CompoundVarSaver(Runtime *runtime, RuntimeObject *object);
+
+	bool writeSave(Common::WriteStream *stream) override;
+
+private:
+	Runtime *_runtime;
+	RuntimeObject *_object;
+};
+
+class SaveLoadHooks {
+public:
+	virtual ~SaveLoadHooks();
+
+	virtual void onLoad(Runtime *runtime, Modifier *saveLoadModifier, Modifier *varModifier);
+	virtual void onSave(Runtime *runtime, Modifier *saveLoadModifier, Modifier *varModifier);
+};
+
+class SaveLoadMechanismHooks {
+public:
+	virtual ~SaveLoadMechanismHooks();
+
+	virtual bool canSaveNow(Runtime *runtime);
+	virtual Common::SharedPtr<ISaveWriter> createSaveWriter(Runtime *runtime);
+};
+
+} // End of namespace MTropolis
+
+#endif /* MTROPOLIS_SAVELOAD_H */